User manual
page | 10
LED Status
Basic Operation
Basic Operation
The Power Link LED indicator on the Sender and Receiver unit provides basic information
on the current status of the 4K Ultra HD ELR-POL Extender w/ RS-232, Ethernet, and
2-way IR.
The information, in the table below, applies to both the Sender and Receiver unit.
Status Description
Solid blue • The Sender / Receiver unit is powered.
• Link integrity between Sender and Receiver unit
is good.
Solid green • Link integrity is compromised.
• Check the cable between the Link port on the
Sender and Receiver unit.
• Also check the cable connected between
Ethernet port and the network, on both the
Sender and Receiver unit.
Flashes
blue / green
• Source device is not connected to the Sender
unit.
• Display (sink) device not connected to the
Receiver unit.










